5HVT:
reference: A Fluorescence Polarization Assay for Binding to Macrophage Migration Inhibitory Factor and Crystal Structures for Complexes of Two Potent Inhibitors., Cisneros JA, Robertson MJ, Valhondo M, Jorgensen WL, J Am Chem Soc. 2016 Jun 28. PMID: 27299179

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).